The McCormick 220862A1 is a genuine OEM glow plug designed to ensure efficient and reliable cold starting for various McCormick, Case IH, and New Holland agricultural tractors. This essential component provides the necessary heat to pre-warm the engine's combustion chamber, facilitating ignition in cold weather conditions. Featuring an 11V operating voltage and M10x1.25 thread, it offers precise fitment and optimal performance for compatible machinery, ensuring dependable engine operation.